Periarticular Injection Versus Peripheral Nerve Block in Total Hip Arthroplasty

"Nerve blocks (QLB/LFCNB) to be placed preoperatively with DEX/MPA, per standard of care of anesthesia block service.~1. QLB: 40ml 0.2% ropivacaine with 5 mg DEX/ 40 mg MPA~2. LFCNB: 20ml 0.2% ropivacaine with 5 mg DEX/ 40 mg MPA"

"Intraoperatively, the surgeon will perform PAI per standard of care with the medications:~1\. 60 ml 0.2% ropivacaine and 10 mg DEX/ 80 mg MPA"

60 ml 0.2% ropivacaine

10 mg DEX/ 80 mg MPA